Fixing “This share requires the obsolete SMB1 protocol…”

WindowsThis is actually an older issue, I didn’t post about as I first came across it months after Microsoft made the change. However, I’ve seen it come up a few times recently after installing Windows updates, so I am posting this as a reminder of how to fix the issue.

I have seen this on a couple of client sites which has been referred to the client’s IT department to take action, but I also get this on my home network.

The issue is when you try to access a network share, such as from a NAS (Network Attached Storage):

SM! error

You can't connect to the file share because it’s not secure. This share requires the obsolete SMB1 protocol, which is unsafe and could expose your system to attack...

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